Apply suggestions from code review

Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1

tutorials/glusterfs/index.mdx

@@ -103,7 +103,7 @@ Before installing GlusterFS, ensure each Instance can resolve the others via the
 
 ### Attaching Scaleway Block Storage
 
-1. Create and Attach Scaleway Block Storage to each Instance:
+1. Create and attach Scaleway Block Storage to each Instance:
    - From the Scaleway Console, [create a new Block Storage volume](/storage/block/how-to/create-a-volume/) for each GlusterFS server.
    - Attach each volume to the respective Instance.
    - Once attached, log into each Instance and check if the block storage is recognized:
@@ -127,7 +127,7 @@ Before installing GlusterFS, ensure each Instance can resolve the others via the
      mount /dev/sdb /mnt/glusterfs
      ```
 
-4. Add the block storage to `/etc/fstab` to ensure it mounts automatically after reboot:
+4. Add the Block Storage to `/etc/fstab` to ensure it mounts automatically after reboot:
      ```
      /dev/sdb /mnt/glusterfs ext4 defaults 0 0
      ```

tutorials/setup-postfix-ubuntu-bionic/index.mdx

@@ -64,7 +64,7 @@ You learn also how to install a Roundcube webmail interface to be able to read y
    ```
 
    During the setup, provide answers to secure your MariaDB installation (set the root password, remove anonymous users, disallow remote root login, etc.).
-   Refer to [Installing and Securing MariaDB](/tutorials/mariadb-ubuntu-bionic/) for furher details regarding the configuration of MariaDB.
+   Refer to [Installing and Securing MariaDB](/tutorials/mariadb-ubuntu-bionic/) for further details regarding the configuration of MariaDB.
 
 
 ## Install and configure PostfixAdmin